Wehrli

The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a...

The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a...

Wehrli 20-24 L5P Duramax 3.5in P/S Intercooler Pipe Kit - PMB-10902 (Whiskey Bronze)

The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a...

The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a...

The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a...

The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a...

The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. This part uses a...

Stainless braided drain and feed Lines, Fittings for turbo, oil pan and engine block.Installation Instructions

Wehrli Custom Fab Oil Line Kit, for S400 Twin/Compound Turbo LB7/LLY/LBZ/LMM DuramaxInstallation Instructions

Built in house at WCFab carrying a LIFETIME WARRANTY against bending or breaking (to original purchaser). Traction bars are a necessary upgrade when increasing the horsepower on your truck to prevent...

Built in house at WCFab carrying a LIFETIME WARRANTY against bending or breaking (to original purchaser). Traction bars are a necessary upgrade when increasing the horsepower on your truck to prevent...

WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port...

Complete Oil Line Kit for L5P Duramax Engine with S400 Turbo mounted on 6" tall pedestal. For use with WCFab T4 Pedestal (WCF100325). Cannot guarantee fitment with other style pedestals. For...

Removing the OEM plastic lower bumper valance on the 2011-2014 Chevrolet Silverado 2500 / 3500 HD trucks is a proven method for improving ground clearance and fitting more aggressive wheel and tire...